18889185920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{499}}^1$

素因数の和:831

約数の個数: 256

約数和(自身を含む): 52142400000

約数和(自身を除く): 33253214080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 283, 304, 320, 352, 380, 418, 440, 499, 566, 608, 640, 704, 760, 836, 880, 998, 1045, 1132, 1216, 1408, 1415, 1520, 1672, 1760, 1996, 2090, 2264, 2432, 2495, 2830, 3040, 3113, 3344, 3520, 3992, 4180, 4528, 4990, 5377, 5489, 5660, 6080, 6226, 6688, 7040, 7984, 8360, 9056, 9481, 9980, 10754, 10978, 11320, 12160, 12452, 13376, 15565, 15968, 16720, 18112, 18962, 19960, 21508, 21956, 22640, 24904, 26752, 26885, 27445, 31130, 31936, 33440, 36224, 37924, 39920, 43016, 43912, 45280, 47405, 49808, 53770, 54890, 59147, 62260, 63872, 66880, 75848, 79840, 86032, 87824, 90560, 94810, 99616, 104291, 107540, 109780, 118294, 124520, 133760, 141217, 151696, 159680, 172064, 175648, 181120, 189620, 199232, 208582, 215080, 219560, 236588, 249040, 282434, 295735, 303392, 319360, 344128, 351296, 379240, 398464, 417164, 430160, 439120, 473176, 498080, 521455, 564868, 591470, 606784, 688256, 702592, 706085, 758480, 834328, 860320, 878240, 946352, 996160, 1042910, 1129736, 1182940, 1213568, 1412170, 1516960, 1553387, 1668656, 1720640, 1756480, 1892704, 1992320, 2085820, 2259472, 2365880, 2683123, 2824340, 3033920, 3106774, 3337312, 3441280, 3512960, 3785408, 4171640, 4518944, 4731760, 5366246, 5648680, 6067840, 6213548, 6674624, 7570816, 7766935, 8343280, 9037888, 9463520, 10732492, 11297360, 12427096, 13349248, 13415615, 15533870, 16686560, 18075776, 18927040, 21464984, 22594720, 24854192, 26831230, 29514353, 31067740, 33373120, 37854080, 42929968, 45189440, 49708384, 53662460, 59028706, 62135480, 66746240, 85859936, 90378880, 99416768, 107324920, 118057412, 124270960, 147571765, 171719872, 198833536, 214649840, 236114824, 248541920, 295143530, 343439744, 429299680, 472229648, 497083840, 590287060, 858599360, 944459296, 994167680, 1180574120, 1717198720, 1888918592, 2361148240, 3777837184, 4722296480, 9444592960, 18889185920]

約数ペア:

[(1, 18889185920), (2, 9444592960), (4, 4722296480), (5, 3777837184), (8, 2361148240), (10, 1888918592), (11, 1717198720), (16, 1180574120), (19, 994167680), (20, 944459296), (22, 858599360), (32, 590287060), (38, 497083840), (40, 472229648), (44, 429299680), (55, 343439744), (64, 295143530), (76, 248541920), (80, 236114824), (88, 214649840), (95, 198833536), (110, 171719872), (128, 147571765), (152, 124270960), (160, 118057412), (176, 107324920), (190, 99416768), (209, 90378880), (220, 85859936), (283, 66746240), (304, 62135480), (320, 59028706), (352, 53662460), (380, 49708384), (418, 45189440), (440, 42929968), (499, 37854080), (566, 33373120), (608, 31067740), (640, 29514353), (704, 26831230), (760, 24854192), (836, 22594720), (880, 21464984), (998, 18927040), (1045, 18075776), (1132, 16686560), (1216, 15533870), (1408, 13415615), (1415, 13349248), (1520, 12427096), (1672, 11297360), (1760, 10732492), (1996, 9463520), (2090, 9037888), (2264, 8343280), (2432, 7766935), (2495, 7570816), (2830, 6674624), (3040, 6213548), (3113, 6067840), (3344, 5648680), (3520, 5366246), (3992, 4731760), (4180, 4518944), (4528, 4171640), (4990, 3785408), (5377, 3512960), (5489, 3441280), (5660, 3337312), (6080, 3106774), (6226, 3033920), (6688, 2824340), (7040, 2683123), (7984, 2365880), (8360, 2259472), (9056, 2085820), (9481, 1992320), (9980, 1892704), (10754, 1756480), (10978, 1720640), (11320, 1668656), (12160, 1553387), (12452, 1516960), (13376, 1412170), (15565, 1213568), (15968, 1182940), (16720, 1129736), (18112, 1042910), (18962, 996160), (19960, 946352), (21508, 878240), (21956, 860320), (22640, 834328), (24904, 758480), (26752, 706085), (26885, 702592), (27445, 688256), (31130, 606784), (31936, 591470), (33440, 564868), (36224, 521455), (37924, 498080), (39920, 473176), (43016, 439120), (43912, 430160), (45280, 417164), (47405, 398464), (49808, 379240), (53770, 351296), (54890, 344128), (59147, 319360), (62260, 303392), (63872, 295735), (66880, 282434), (75848, 249040), (79840, 236588), (86032, 219560), (87824, 215080), (90560, 208582), (94810, 199232), (99616, 189620), (104291, 181120), (107540, 175648), (109780, 172064), (118294, 159680), (124520, 151696), (133760, 141217)]